Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Details)

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Discontinued Operations (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share   $ 0.64  
Assets of Disposal Group, Including Discontinued Operation, Current $ 0   $ 1,372,000,000
Assets of Disposal Group, Including Discontinued Operation, Noncurrent 0   740,000,000
Proceeds from Dividends Received 1,200,000,000    
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share   $ 0.62  
Starz, LLC [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets of Disposal Group, Including Discontinued Operation, Current   750,000,000  
Disposal Group, Including Discontinued Operation, Accrued Liabilities   245,000,000  
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net   261,000,000  
Disposal Group, Including Discontinued Operation, Revenue   405,000,000  
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax   120,000,000  
Liabilities of Disposal Group, including Discontinued Operations, Debt   540,000,000  
Program rights [Member] | Starz, LLC [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets of Disposal Group, Including Discontinued Operation, Noncurrent   $ 679,000,000